LC75725E データシートの表示（PDF） - SANYO -> Panasonic

部品番号

コンポーネント説明

メーカー

LC75725E

1/4 to 1/11 Duty Dynamic Drive VFD Driver

SANYO -> Panasonic 

Block Diagram

LC75725E

Pin Functions

Pin

Pin No.

Function

I/O

VFL

1, 13 Driver block power supply connection. (Both pins must be connected.)

—

VDD

60 Logic block power supply connection. Provide a voltage between 4.5 and 5.5 V.

—

VSS

57 Power supply connection. Connect to the ground.

—

OSCI

59

Oscillator connection. An oscillator circuit is formed by connecting an external resistor

I

OSCO

58

and capacitor to these pins.

O

Display off control input.

BLK

61

BLK = Low (VSS) ... Display off. (S1 to S43 and G1 to G11 at VFL level.)

BLK = High (VDD) ... Display on.

I

Note that serial data can be transferred while the display is turned off.

CL

63

Serial data transfer inputs. These pins must be connected to the system microcontroller.

CL: Synchronization clock

DI

64

DI: Transfer data

I

CE

62 CE: Chip enable

G1 to G11 2 to 12 Digit outputs. These pins are P-channel open drain outputs with pull-down resistors.

O

Segment outputs for displaying the display data transferred by serial data input. These pins

S1 to S43 56 to 14 are P-channel open drain outputs with pull-down resistors.

O

Handling when unused

—

—

—

GND

OPEN

GND

GND

OPEN

OPEN

No. 5606-4/13

Share Link: